body{
    background: url(../../img/course_form.png) no-repeat center center fixed;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

td:hover {
        /* 鼠标经过有小手 */
        cursor: pointer;
    }

    .c1 {
        position: absolute;
        margin-top: 10px;
        /* 上外边距 */
        margin-left: -110px;
        /* 左外边距 */
        width: 300px;
        min-height: 100px;
        /* 设置最小高度 */
        background-color: white;
        border: 1px solid #b0b0b0;
        display: none;
        /* 隐藏 */
    }
    .c2 {
        width: 320px;
        height: 30px;
        background-color: rgba(85, 170, 255, 0.691);
        margin-left: -10px;
        margin-top: -10px;
        text-align: center;
        line-height: 30px;
    }
    .tooltip-content {
        padding: 10px;
    }

    .tooltip-close {
        position: absolute;
        top: 5px;
        right: 5px;
        cursor: pointer;
    }

    .tooltip-close:hover {
        color: white;
    }

    .pp {
        font-family: "宋体";
        font-weight: 700;
        font-size: 20px;
        text-align: left;
        text-indent: 1em;
    }

h1{
    text-align:center;
    padding-top:15px;
    color:#121568;

}

.scroll{
    overflow: auto;
    overflow-y: hidden;
    max-width: 100%;
}

.one{
    padding:20px;
}

hr{
    background: none !important;
    height: 1px !important;
    border: 0 !important;
    border-top: 1px solid #cfcaca !important;
}

table{
    border-collapse: collapse;
    margin: 0 auto;
    text-align: center;
    box-shadow: 0 5px 15px 0 rgb(0 0 0 / 8%);
    width:93%;
}

table td, table th{
    border: 1px solid #ddd;
    color: #57667E;
    height: 30px;
    padding:5px;
}

table th{
    color:#2d3092;
}

table tr:nth-child(odd){
    background: #fff;
}
table tr:nth-child(even){
    background: #F5FAFA;
}

td:hover{
    color:#2d3092;
    font-weight:bold;
}

th:hover{
    color:#121568;
    font-size:18px;
}


